Automatic day-2 intervention by a multidisciplinary antimicrobial stewardship-team leads to multiple positive effects

Jan-Willem H. Dik, Ron Hendrix, Jerome R. Lo-Ten-Foe, Kasper R. Wilting, Prashant N. Panday, Julia E.W.C. van Gemert-Pijnen, Annemarie M. Leliveld, Jacobus Adrianus Maria van der Palen, A.W. Friedrich, Bhanu Sinha

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Abstract

BACKGROUND: Antimicrobial resistance rates are increasing. This is, among others, caused by incorrect or inappropriate use of antimicrobials. To target this, a multidisciplinary antimicrobial stewardship-team (A-Team) was implemented at the University Medical Center Groningen on a urology ward. Goal of this study is to evaluate the clinical effects of the case-audits done by this team, looking at length of stay (LOS) and antimicrobial use. METHODS: Automatic e-mail alerts were sent after 48 h of consecutive antimicrobial use triggering the case-audits, consisting of an A-Team member visiting the ward, discussing the patient's therapy with the bed-side physician and together deciding on further treatment based on available diagnostics and guidelines. Clinical effects of the audits were evaluated through an Interrupted Time Series analysis and a retrospective historic cohort. RESULTS: A significant systemic reduction of antimicrobial consumption for all patients on the ward, both with and without case-audits was observed. Furthermore, LOS for patients with case-audits who were admitted primarily due to infections decreased to 6.20 days (95% CI: 5.59-6.81) compared to the historic cohort (7.57 days; 95% CI: 6.92-8.21; p = 0.012). Antimicrobial consumption decreased for these patients from 8.17 DDD/patient (95% CI: 7.10-9.24) to 5.93 DDD/patient (95% CI: 5.02-6.83; p = 0.008). For patients with severe underlying diseases (e.g., cancer) these outcome measures remained unchanged. CONCLUSION: The evaluation showed a considerable positive impact. Antibiotic use of the whole ward was reduced, transcending the intervened patients. Furthermore, LOS and mean antimicrobial consumption for a subgroup was reduced, thereby improving patient care and potentially lowering resistance rates.
Original languageEnglish
Article number546
Pages (from-to)1-8
Number of pages8
JournalFrontiers in microbiology
Volume6
Issue numberJune
DOIs
Publication statusPublished - 2015

Keywords

  • IR-97234
  • METIS-311786

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